340 Static Compression Numbers and Test Procedure

I'm close to that now, and a gasket change or advancing the cam a bit would put me there. And it won't rattle.
If I didn't already have alloys, I might follow you.
I built my combo for 185 with the alloys, not knowing where the ceiling was. When it burned 87E10 with no complaints, and drove like a cat on fire, I quit hunting pressure.